Abstract: A display apparatus and a method for manufacturing an optical compound layer are provided. The display apparatus comprises a light source and an optical compound layer, wherein the light source is adapted to emit a light beam, and the light beam has a polarization direction. The optical compound layer is disposed on the light source correspondingly to receive the light beam. The optical compound layer comprises a thin film and a plurality of dopants doped therein. One of the thin film and the dopants has a specific orientation which is substantially the same as the polarization direction of the light beam and the refractive indexes of the thin film and the dopants are substantially the same as well.

Abstract: A switchable 2D/3D display includes a liquid crystal display (LCD) panel and a switchable barrier. The LCD panel includes a first substrate, a second substrate, a first twisted nematic (TN) liquid crystal layer, a first wide-view film set including a first wide-view film and a second wide-view film, and a first polarizer set. The first polarizer set includes a first polarizer and a second polarizer. Transmission axes of the first and second polarizers are substantially perpendicular to each other. The switchable barrier includes a third substrate, a fourth substrate, a second TN liquid crystal layer, a second wide-view film set including a third wide-view film and a fourth wide-view film, and a second polarizer set. The second polarizer set includes a third polarizer and a fourth polarizer. Transmission axes of the third and fourth polarizers are substantially perpendicular to each other.

Abstract: A 2D/3D image displaying apparatus includes a sub-pixel, a first and second data lines and a gamma circuit. The sub-pixel includes a first portion and a second portion. The first and second data lines are coupled to the first and second portion of the sub-pixel, respectively. The gamma circuit transmits correlated gamma signals to a driving circuit for driving the first and second part of the sub-pixel via the first and second data lines when 2D image is to be displayed, and transmits a single gamma signal to the driving circuit for driving the first and second portion of the sub-pixel via the first and second data lines when 3D image is to be displayed.

Abstract: A stereoscopic display device includes a display panel, and a light modulator. The display panel provides a first display information and a second display information alternately by scanning. The light modulator is disposed on the side of a display surface of the display panel and receives the first display information and the second display information. The light modulator provides a first modulating mode and a second modulating mode alternately by scanning synchronously with the display panel. The first modulating mode corresponds to the first display information, and renders the first display information having a first polarization state; the second modulating mode corresponds to the second display information, and renders the second display information having a second polarization state.

Abstract: A switchable two and three dimensional display (2D/3D display) suitable for being viewed by a user is provided. The 2D/3D display includes a liquid crystal display (LCD) panel and a switchable barrier. The LCD panel has a display area, a non-display area surrounding the display area, and a first black matrix extending from the display area to the non-display area. The first black matrix has a number of openings arranged in array and merely distributed within the display area. The switchable barrier has a 3D image control area, a non-display area surrounding the 3D image control area, and a second black matrix merely disposed within the non-display area. The second black matrix surrounds the 3D image control area. An area occupied by the 3D image control area is different from an area occupied by the display area.

Abstract: A switchable 2D/3D display includes a liquid crystal display (LCD) panel and a switchable barrier. The LCD panel includes a first substrate, a second substrate, a first twisted nematic (TN) liquid crystal layer, a first wide-view film set including a first wide-view film and a second wide-view film, and a first polarizer set. The first polarizer set includes a first polarizer and a second polarizer. Transmission axes of the first and second polarizers are substantially perpendicular to each other. The switchable barrier includes a third substrate, a fourth substrate, a second TN liquid crystal layer, a second wide-view film set including a third wide-view film and a fourth wide-view film, and a second polarizer set. The second polarizer set includes a third polarizer and a fourth polarizer. Transmission axes of the third and fourth polarizers are substantially perpendicular to each other.

Abstract: A three-dimensional display for the viewer to watch through glasses is provided, wherein the glasses have two lenses and the polarized directions thereof are perpendicular to each other. The three-dimensional display includes a display panel and a liquid crystal phase modulator. The display panel, suitable for displaying an image, has a plurality of pixels arranged in array and a polarizer having a transmission axis, wherein the polarizer disposed between the pixels and the glasses. The liquid crystal phase modulator suitable for providing phase retardation includes a liquid crystal layer and an alignment layer adjacent to the display panel. An included angle between an alignment direction of the alignment layer and the transmission axis is substantially equal to n×45 degrees, wherein an absolute value of n is an integer. The liquid crystal phase modulator adjusts a phase of the image and then outputs an image with three-dimensional information.

Abstract: A dual-image flat display device includes a first and a second substrates parallel with each other, a liquid crystal layer having liquid crystal molecules, and at least a pixel disposed on the second substrate. The pixel includes pluralities of sub-pixels arranged side by side along a first direction. Each sub-pixel has a first azimuthal angle domain and a second azimuthal angle domain, wherein the first and second azimuthal angle domains are arranged side by side along a second direction in the sub-pixel, and the second direction is not parallel with the first direction. The azimuthal angles of liquid crystal molecules in the first and second azimuthal angle domains have an included angle less than 180°.

Abstract: A liquid crystal is provided, which can be used in a liquid crystal display (LCD) to provide an LCD exhibiting a good transmittance. The liquid crystal according to the invention has the following properties: (i) a dielectric anisotropy (??) ranging from about ?2.5 to about ?5; (ii) a splay elastic constant (K11) ranging from about 1.1×10?11 N to about 1.6×10?11 N; (iii) a bend elastic constant (K33) ranging from about 1.1×10?11 N to about 1.6×10?11 N; and (iv) ??, K11 (N) and K33 (N) conforming to the following equation: K 11 + K 33 ? 10 × ? ? ? ? ? < 1.28 × 10 - 12 . A liquid crystal material combination is also provided which comprises the liquid crystal according to the invention above mentioned and a polymerizable monomer.

Abstract: A method for driving a pixel is disclosed. The method comprises the steps of determining a first predetermined gray-level and a second predetermined gray-level which are corresponding to a target gray-level according to the target gray-level of the pixel, wherein an equivalent gray-level of sum of the first predetermined gray-level and the second predetermined gray-level is equal to the target gray-level, thereafter, generating a first driving voltage and a second driving voltage according to the first predetermined gray-level and the second predetermined gray-level for respectively driving a first sub-pixel and a second sub-pixel within the pixel during a frame period. The first driving voltage is greater than the second driving voltage when the equivalent gray-level is small than a first setting gray-level; the first driving voltage is small than the second driving voltage when the equivalent gray-level is greater than the first setting gray-level.

Abstract: A liquid crystal is provided, which can be used in a liquid crystal display (LCD) to provide an LCD exhibiting a good transmittance. The liquid crystal according to the invention has the following properties: (i) a dielectric anisotropy (??) ranging from about ?2.5 to about ?5; (ii) a splay elastic constant (K11) ranging from about 1.1×10?11 N to about 1.6×10?11 N; (iii) a bend elastic constant (K33) ranging from about 1.1×10?11 N to about 1.6×10?11 N; and (iv) ??, K11 (N) and K33 (N) conforming to the following equation: K 11 + K 33 ? 10 × ? ? ? ? ? < 1.28 × 10 - 12 . A liquid crystal material combination is also provided which comprises the liquid crystal according to the invention above mentioned and a polymerizable monomer.

Abstract: The present invention provides a tunable terahertz (THz) wavelength selector device, which includes a fixed phase retarder, a tunable phase retarder and a pair of linear polarizers to form a unit. The fixed phase retarder and tunable phase retarder basically utilizes liquid crystals to provide phase retardation, moreover, utilizing birefringence phenomenon possessed by liquid crystals can provide adequate phase retardation. The fixed phase retarder utilizes horizontal orientation of liquid crystal cell to provide fixed phase retardation, while the tunable phase retarder however utilizes homeotropic liquid crystal cell and a rotatable magnet to provide a tunable phase retardation, wherein the tunable phase retarder can provide the positive or negative phase retardation relative to the fixed phase retarder, based on the direction of the magnet's rotating axes and totally use the entire tunable range into adjusting frequencies which can pass through.

Abstract: A Load-UnLoad (LUL) hard disk drive rotating its disks with ramp speeds when loading and/or unloading its sliders from its ramp based upon at least one atmospheric condition (AC) within the hard disk drive. Embodiments include load and unload ramp speeds that differ for a single AC, load ramp speeds that differ for differing AC, and/or unload ramp speeds that differ for differing AC. Also a method of operating such hard disk drive and its implementation within an embedded circuit.

Abstract: A method for implementing a power saving mode in a hard disk drive. The method includes the steps of flying a head over a data track of a disk that is covered with a lubricant. The speed of the disk is reduced. A voltage is applied to a heating element of the head to move the head closer to the disk. The fly height of the head is then determined. The voltage can be incrementally varied until the head makes contact with the disk. The voltage is terminated and the head is allowed to fly over the data track. The head is also moved to adjacent tracks on either side of the data track. A pressure gradient of the flying head moves the lubricant about the disk to mitigate a modulated wear pattern caused by the reduction in disk speed. The disk speed is then increased in a normal operating mode.

Abstract: The present invention provides a tunable terahertz (THz) wavelength selector device, which includes a fixed phase retarder, a tunable phase retarder and a pair of linear polarizers to form a unit. The fixed phase retarder and tunable phase retarder basically utilizes liquid crystals to provide phase retardation, moreover, utilizing birefringence phenomenon possessed by liquid crystals can provide adequate phase retardation. The fixed phase retarder utilizes horizontal orientation of liquid crystal cell to provide fixed phase retardation, while the tunable phase retarder however utilizes homeotropic liquid crystal cell and a rotatable magnet to provide a tunable phase retardation, wherein the tunable phase retarder can provide the positive or negative phase retardation relative to the fixed phase retarder, based on the direction of the magnet's rotating axes and totally use the entire tunable range into adjusting frequencies which can pass through.

Abstract: A head that flies relative to a disk of a hard disk drive. The head includes a substrate that has a pole tip, and an air bearing surface that has at least one rail and a central pad. The air bearing surface also has a plurality of contact dot that each makes contact with the disk at different skew angles. Providing contact at different skew angles insures that multiple dots do not make contact with the same track of the disk. This is particularly advantageous when the head is landed on the disk at the same skew angle.

Abstract: A method for measuring the mobility of a lubricant located on the top surface of a disk used in hard disk drives. The method includes forming one or more scribe lines in a lubricant layer of the disk. The disk is then spun by a spin stand where lubricant moves in response to the centrifugal forces of the spinning disk. The disk is removed from the spin stand and the height of lubricant that moved into the scribe line is measured to determine lubricant mobility.

Abstract: A disk for a hard disk drive. The disk includes a protective layer of shape memory alloy material over a magnetic layer. Contact between a head of the drive and the shape memory alloy material will cause frictional heat. The heat will cause a solid-solid phase transformation of the shape memory alloy material that will absorb energy and reduce wear. After head-disk contact terminates the shape memory alloy material will resume its initial solid phase. The shape memory alloy material may be relatively thin thereby improving the magnetic characteristics of the disks while providing a protective coating.

Abstract: A method for measuring the mobility of a lubricant located on the top surface of a disk used in hard disk drives. The method includes forming one or more scribe lines in a lubricant layer of the disk. The disk is then spun by a spin stand where lubricant moves in response to the centrifugal forces of the spinning disk. The disk is removed from the spin stand and the height of lubricant that moved into the scribe line is measured to determine lubricant mobility.

Abstract: A calibration method for a fly on demand head of a hard disk drive. The method includes the steps of flying a head over a test track of a disk that is covered with a lubricant. A voltage is applied to a heating element of the head to move the head closer to the disk. The fly height of the head is then determined. The voltage can be incrementally varied until the head makes contact with the disk. This sequence can cause a modulated wear pattern in the lubricant of the disk. The voltage is terminated and the head is allowed to fly over the test track. The head is also moved to adjacent tracks on either side of the test track. A pressure gradient of the flying head moves the lubricant about the disk to mitigate the modulated wear pattern.